I had simmilar issues and found that I need to power down and reboot if I wish to swap out USB devices. When hot swaped it gave me hell. Now I make a point to make connections on USB devices with system off so it auto detects and remains with proper settings of my desire.
On Fri, Jun 26, 2009 at 6:09 PM, Andrew O'Brien <k3uka...@gmail.com> wrote: > > > I use an internal sound card for ham operations and an external sound > device , in the form of USB speakers, for routine PC/Internet work including > DX announcements via Spotcollector. This works well except that every know > and again ham applications that have been working well via the internal > sound device all of a sudden have their settings switched and the sound for > transmission gets sent to my speakers rather than to the rig. > > I can't figure out what triggers this? Sometimes Multipsk, Winwarbler, and > WSJT, just tell me that "USB AUDIO" is set for my transmitted audio even > though I had manually set it for the other device. It seems that is > connected with changes I may make, like unplugging and then plugging in the > USB speakers if I need to "borrow" the USB ports for something else for a > few minutes. > > I have missed few QSOs when caught by surprise with the wrong xmit card. > Ideas ? > > >